The other car that's coming out soon (hopefully) that very likely will be very competitive in this market will be the FD Miata and the Alfa Spider/Graduate. They'll almost certainly have better power to weight than the base BRZ and be priced comparatively while being smaller, much better supported for track/Spec events and won't have a fake back seat.

Talking about fake back seats... see how fake the 911 back seats are in comparison with the Toyobaru's... these guys should stop smoking, this is really becoming a serious matter: